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Apple ibook g4 User Manual

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    							iBook G4 Take Apart - 100
     Optical Drive5.Warning: Handle the optical drive at the sides only. Do not touch or press 
    anywhere else on the drive.
    Without straining any cables, tilt up the optical drive and lift it out the drive. 
    						
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     Optical Drive 6. Remove the two identical screws holding the cable bracket to the optical drive.
    7. Remove the cable bracket.
    Note: When reassembling the computer, transfer the cable bracket to the 
    replacement drive.
    8. Peel off the tape from the optical drive, and disconnect the ribbon cable.
    Note: When reassembling the computer, transfer the ribbon cable to the replacement 
    drive.  
    						
    							iBook G4 Take Apart - 102
     Optical Drive9. Remove the screw holding the mounting bracket to the bezel.
    10.  Remove the screws that hold the mounting bracket to the optical drive.
    Important: When reassembling the computer, transfer the mounting bracket to the 
    replacement drive.
    Replacement Warning: Make sure you use the shorter screw to secure the 
    mounting bracket to the bezel.  
    						
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     Optical Drive 11.Caution:  The bezel and optical drive case is a soft material. Be especially careful 
    when removing the bezel from the optical drive.
    With the pointed end of a black stick, gently press the three tabs, and tilt the bezel up 
    and off of the drive.
    12. Install the replacement optical drive, and reassemble and test the computer.
    Replacement Note: When installing the replacement optical drive, align the front of 
    the drive bezel to the outer edge of the frame first. Make sure the screw holes align. 
    Check that the felt at the slot opening is even and not mashed. 
    						
    							iBook G4 Take Apart - 104
     How to Remove a Stuck Disc from the Slot-Load 
    How to Remove a Stuck Disc 
    from the Slot-Load Drive
    The following instructions explain how to remove a disc that is stuck in the slot-load optical 
    drive. 
    Important: When a disc becomes stuck in the slot-load optical drive, it makes the drive 
    unusable. Make sure you have a replacement drive available.
    Tools
    This procedure requires the following tools:
    • ESD wriststrap and mat
    • #0 Phillips screwdriver
    • Black stick (or other nonconductive nylon or plastic tool)
    Preliminary Steps
    Before you begin, remove the optical drive from the computer. If brackets, a cable, and a 
    faceplate are attached to the drive, use a screwdriver and black stick to remove them.
    Note: The following image shows a sample drive with brackets, cable, and faceplate 
    attached. Your drive might have a different appearance. 
    						
    							105 - iBook G4 Take Apart
     How to Remove a Stuck Disc from the Slot-Load
    Procedure
    1. Remove the four identical screws that hold the top cover to the drive.
    2. Slide the top cover approximately 2 mm toward the back of the drive. Lift up the top 
    cover to remove it. 
    						
    							iBook G4 Take Apart - 106
     How to Remove a Stuck Disc from the Slot-Load 3. Check the placement of the disc. It is either clamped to the turntable at the center of 
    the disc, or it is wedged under one or more posts at the outer edge of the disc. 
    4. Holding the edge of the disc, press on the center clamp or hold the posts steady as 
    you remove the disc from the drive. 
    Important: Do not touch any key components located near the disc.
    5. Replace the top cover on the drive so that the small hooks on the top cover fit into the 
    slots on the bottom cover. Then slide the top cover into place.
    6. Replace the four screws. If applicable, install the brackets, cable, and faceplate back 
    on the drive before returning the old drive.
    7. Install the replacement drive, and reassemble and test the computer.  
    						
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     Display Module
    Display Module
    Tools
    • Soft cloth
    • #0 Phillips screwdriver
    • Black stick (or other nonconductive nylon or plastic tool)
    Note: To organize the screws you remove from the computer, use a tray with divided 
    compartments (such as a plastic ice cube tray).
    Part Location
    Preliminary Steps
    Before you begin, remove the following:
    • Battery 
    • Keyboard and RAM shield
    • AirPort Extreme Card
    • Memory card 
    						
    							iBook G4 Take Apart - 108
     Display Module• Bottom case
    • Bottom shield
    • DC-in board
    • Top case
    • Top shield
    • Modem
    Procedure
    1. With the computer on a soft cloth, note the routing of the thin, black microphone cable 
    and the LVDS (low voltage data signal) cable. 
    2. Disconnect the microphone cable from the logic board near the hard drive. 
    3. Pull up the flexible tab to disconnect the LVDS cable from the logic board.  
    						
    							109 - iBook G4 Take Apart
     Display Module 4. Without straining the cables, lift them up from the logic board.
    5. Peel off any tape holds the cables to the frame.
    6. While supporting the display, tilt up the chassis, and disconnect the inverter cable from 
    the underside of the logic board. 
    						
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